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Retro terminal effects do not work while Software rendering is enabled #19417

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opened 2026-01-31 06:42:42 +00:00 by claunia · 6 comments
claunia commented 2026-01-31 06:42:42 +00:00
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Originally created by @SubsTheTechnomancer on GitHub (Feb 19, 2023).

Windows Terminal version

1.17.1023

Windows build number

10.0.19044.0

Other Software

No response

Steps to reproduce

  • Open any terminal tab
  • Ensure the tab has "Retro Terminal Effects" on in its Appearance settings
  • Turn on Software Rendering

Expected Behavior

Retro Terminal effects are displayed for tabs as normal

Actual Behavior

Retro Terminal effects are missing or not being rendered

Originally created by @SubsTheTechnomancer on GitHub (Feb 19, 2023). ### Windows Terminal version 1.17.1023 ### Windows build number 10.0.19044.0 ### Other Software _No response_ ### Steps to reproduce - Open any terminal tab - Ensure the tab has "Retro Terminal Effects" on in its Appearance settings - Turn on Software Rendering ### Expected Behavior Retro Terminal effects are displayed for tabs as normal ### Actual Behavior Retro Terminal effects are missing or not being rendered
claunia added the Resolution-By-DesignNeeds-TriageIssue-Bug labels 2026-01-31 06:42:42 +00:00
claunia commented 2026-01-31 06:42:43 +00:00
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@SubsTheTechnomancer commented on GitHub (Feb 19, 2023):

Images to illustrate follow.
With Software Rendering Enabled:
image
With Software Rendering Disabled:
image

@SubsTheTechnomancer commented on GitHub (Feb 19, 2023): Images to illustrate follow. With Software Rendering Enabled: ![image](https://user-images.githubusercontent.com/54163143/219956648-a8f05977-5908-4c62-941b-bd135ca15458.png) With Software Rendering Disabled: ![image](https://user-images.githubusercontent.com/54163143/219956689-163cf9db-6c4f-44c1-9d18-9f5ffebd58b3.png)
claunia commented 2026-01-31 06:42:43 +00:00
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@zadjii-msft commented on GitHub (Feb 20, 2023):

I'm pretty sure that's by design - using software rendering tells the Terminal to not use the GPU, while the retro effects are specifically a GPU shader effect.

Do you have "Use the new text renderer" enabled (under profile > advanced in the settings)?

@zadjii-msft commented on GitHub (Feb 20, 2023): I'm _pretty sure_ that's by design - using software rendering tells the Terminal to not use the GPU, while the retro effects are specifically a GPU shader effect. Do you have "Use the new text renderer" enabled (under profile > advanced in the settings)?
claunia commented 2026-01-31 06:42:44 +00:00
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@lhecker commented on GitHub (Feb 20, 2023):

Yep this is entirely intentional on my part (in the new text renderer "AtlasEngine"). I made it like that, because if you reboot without graphics drivers installed and could only use WARP (= software rendering), it would still result in a somewhat useable and performant terminal. Shader effects like that would make the terminal significantly slower in that situation.

Is there a situation in which you'd want to use shader effects and software rendering simultaneously?

@lhecker commented on GitHub (Feb 20, 2023): Yep this is entirely intentional on my part (in the new text renderer "AtlasEngine"). I made it like that, because if you reboot without graphics drivers installed and could only use WARP (= software rendering), it would still result in a somewhat useable and performant terminal. Shader effects like that would make the terminal significantly slower in that situation. Is there a situation in which you'd want to use shader effects and software rendering simultaneously?
claunia commented 2026-01-31 06:42:44 +00:00
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@SubsTheTechnomancer commented on GitHub (Feb 21, 2023):

Do you have "Use the new text renderer" enabled (under profile > advanced in the settings)?

No, AtlasEngine is off for all of my profiles. I'm a little surprised that this is meant to be intentional though, because I also use the non-preview version of Terminal and this setup works fine there.

Is there a situation in which you'd want to use shader effects and software rendering simultaneously?

There isn't any important requirement to use this per se, it is just more convenient for me (and maybe others in my situation) whose GPU performs much better than the hardware renderer.

@SubsTheTechnomancer commented on GitHub (Feb 21, 2023): > Do you have "Use the new text renderer" enabled (under profile > advanced in the settings)? No, AtlasEngine is off for all of my profiles. I'm a little surprised that this is meant to be intentional though, because I also use the non-preview version of Terminal and this setup works fine there. > Is there a situation in which you'd want to use shader effects and software rendering simultaneously? There isn't any important requirement to use this per se, it is just more convenient for me (and maybe others in my situation) whose GPU performs much better than the hardware renderer.
claunia commented 2026-01-31 06:42:44 +00:00
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@lhecker commented on GitHub (Feb 22, 2023):

There isn't any important requirement to use this per se, it is just more convenient for me (and maybe others in my situation) whose GPU performs much better than the hardware renderer.

The hardware renderer is using the GPU for text rendering. Did you mean to write CPU? Or is the GPU based hardware renderer actually performing worse than the CPU based software renderer for you?

@lhecker commented on GitHub (Feb 22, 2023): > There isn't any important requirement to use this per se, it is just more convenient for me (and maybe others in my situation) whose GPU performs much better than the hardware renderer. The hardware renderer is using the GPU for text rendering. Did you mean to write CPU? Or is the GPU based hardware renderer actually performing worse than the CPU based software renderer for you?
claunia commented 2026-01-31 06:42:44 +00:00
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@SubsTheTechnomancer commented on GitHub (Feb 23, 2023):

The hardware renderer is using the GPU for text rendering. Did you mean to write CPU? Or is the GPU based hardware renderer actually performing worse than the CPU based software renderer for you?

Yeah, oops, sorry I did mean CPU. It's a work laptop 🤷🏼
Maybe the intentionality of this design could be highlighted somewhere next to the options? It really wasn't clear to me that it was intentional. I get that this is really a non-issue, would just make it a little clearer.

@SubsTheTechnomancer commented on GitHub (Feb 23, 2023): > The hardware renderer is using the GPU for text rendering. Did you mean to write CPU? Or is the GPU based hardware renderer actually performing worse than the CPU based software renderer for you? Yeah, oops, sorry I did mean CPU. It's a work laptop 🤷🏼 Maybe the intentionality of this design could be highlighted somewhere next to the options? It really wasn't clear to me that it was intentional. I get that this is really a non-issue, would just make it a little clearer.
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Reference: starred/terminal#19417
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